Add illustration to final screen in PS setup and update existing illustrations.

Screenshots:
- go/ss/9KhqUSezFKHnyys.png

Recording link:
- b/321694009#comment2

Bug: 323156268
Bug: 321694009
Test: Verified manually
Change-Id: Ib8abc080f31cad0a9be3b73a1694be744c108a06

src/com/android/settings/privatespace/SetupSuccessFragment.java

@@ -52,7 +52,7 @@ public class SetupSuccessFragment extends InstrumentedFragment {
         }
         GlifLayout rootView =
                 (GlifLayout)
-                        inflater.inflate(R.layout.privatespace_setup_success, container, false);
+                        inflater.inflate(R.layout.private_space_setup_success, container, false);
         final FooterBarMixin mixin = rootView.getMixin(FooterBarMixin.class);
         mixin.setPrimaryButton(
                 new FooterButton.Builder(getContext())